The 32 teams in this year's Champions League group stage will discover their opponents this evening.
Celtic and Rangers are both in the competition for the first time in 15 years after Giovanni van Bronckhorst's side defeated PSV Eindhoven 1-0 in Holland on Wednesday night.
They will be joined in the draw by English sides Manchester City, Liverpool, Chelsea and Spurs, while the likes of Real Madrid, Bayern Munich, PSG and Barcelona are among the other big names involved.